HSPT Math : HSPT Mathematics

Study concepts, example questions & explanations for HSPT Math

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Example Questions

Example Question #1 : How To Find The Volume Of A Cylinder

The height of a cylinder is two times the length of the radius of the circular end of a cylinder. If the volume of the cylinder is , what is the height of the cylinder?

Possible Answers:

Correct answer:

Explanation:

The volume of a cylinder is:

 

where is the radius of the circular end of the cylinder and is the height of the cylinder.


Since , we can substitute that into the volume formula. So we can write:

 

So we get:

 

Example Question #1 : How To Find The Volume Of A Cylinder

A cylinder has a diameter of  inches and a height of  inches. Find the volume, in cubic inches, of this cylinder.

Possible Answers:

 

 

 

 

Correct answer:

 

Explanation:

Since we are given the diameter, divide that value in half to find the radius.

 

Now plug this value into the equation for the volume of a cylinder.

 

 

Example Question #1993 : Hspt Mathematics

Find the volume, in cubic inches, of a cylinder that has a radius of  inches and a height of  inches.

Possible Answers:

 

 

 

 

Correct answer:

 

Explanation:

The formula to find the volume of a cylinder is .

Now, plug in the given numbers into this equation.

 

Example Question #3 : How To Find The Volume Of A Sphere

A sphere has a diameter of  inches. What is the volume of this sphere?

Possible Answers:

 

 

 

 

Correct answer:

 

Explanation:

To find the volume of a sphere, use the following formula:

, where  is the radius of the sphere.

Now, because we are given the diameter of the sphere, divide that value in half to find the radius.

 

Now, plug this value into the volume equation.

  

Example Question #1994 : Hspt Mathematics

Possible Answers:

Correct answer:

Explanation:

Write the formula for the volume of a sphere.

Since the diameter is 14 the radius is half the diameter, which is 7.  Substitute the radius and solve for the volume.

Example Question #1401 : Concepts

Find the area of a cylinder with radius 7 and height 2.

Possible Answers:

Correct answer:

Explanation:

To solve, simply use the formula for the volume of a cylinder.

Thus,

Given the height is 2 and the radius is 7, substitute these values into the above formula to solve for volume.

Example Question #1403 : Concepts

Cylinder

Which expression is equal to 40% of the volume of the above cylinder?

Possible Answers:

Correct answer:

Explanation:

The volume of the cylinder can be calculated by setting  and  in the formula

40% of this volume is

Example Question #214 : Geometry

Cylinder

The volume of the above cylinder is 80% of what number?

Possible Answers:

Correct answer:

Explanation:

The volume of the cylinder can be calculated by setting  and  in the formula

This is 80% of the number

Example Question #1402 : Concepts

A sphere has diameter 12. What is 75% of its volume?

Possible Answers:

Correct answer:

Explanation:

The radius of a sphere is half its diameter, which here is 12, so the radius is 6. The volume of the sphere can be calculated by setting  in the formula:

75% of this is

Example Question #1403 : Concepts

Find the volume of a rectangular prism with the following information:

 

Possible Answers:

Correct answer:

Explanation:

The formula for volume of a rectangular prism is,

 .  

For this problem, since

the solution would be 

.

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